CN106746123A - A kind of process for treating industrial waste water and system containing organic solvent - Google Patents
A kind of process for treating industrial waste water and system containing organic solvent Download PDFInfo
- Publication number
- CN106746123A CN106746123A CN201611260263.1A CN201611260263A CN106746123A CN 106746123 A CN106746123 A CN 106746123A CN 201611260263 A CN201611260263 A CN 201611260263A CN 106746123 A CN106746123 A CN 106746123A
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- Prior art keywords
- settling tank
- pond
- organic solvent
- block body
- grid filtration
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- 239000003960 organic solvent Substances 0.000 title claims abstract description 110
- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 114
- 238000004062 sedimentation Methods 0.000 claims abstract description 20
- 238000001179 sorption measurement Methods 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 19
- 239000012535 impurity Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 85
- 238000001704 evaporation Methods 0.000 claims description 37
- 239000012530 fluid Substances 0.000 claims description 35
- 238000005086 pumping Methods 0.000 claims description 31
- 239000002351 wastewater Substances 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 15
- 241000628997 Flos Species 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- 238000004065 wastewater treatment Methods 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000000356 contaminant Substances 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- -1 terpene hydrocarbon Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000005826 halohydrocarbons Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of process for treating industrial waste water containing organic solvent and system, industrial wastewater containing organic solvent is processed, grid filtration pond, the first settling tank and recovery system for organic solvent are set, contaminant filter, standing sedimentation treatment are carried out to industrial wastewater, organic solvent therein is recycled, and solves a series of problems encountered in this process such as：The science of the filtering of impurity and later stage cleaning, the Anti-rolling up of deposit and cleaning is washed away during standing sedimentation, and 0.08 ~ 0.05kg/cm2 of organic solvent, 70 ~ 120 DEG C of negative pressure separating at high temperature are extracted, adsorption treatment of generation waste gas etc..This process for treating industrial waste water and system containing organic solvent, scientific and reasonable, security is secure, can accomplish environmental protection, energy-efficient, and reclaim organic solvent, it is to avoid waste.
Description
Technical field
The present invention relates to the treatment technology of industrial wastewater, more particularly to a kind of process for treating industrial waste water containing organic solvent
And system.
Background technology
Industrial wastewater refers to waste water, sewage and the waste liquid of generation in industrial processes, wherein containing the work for outflowing with water
The pollutant produced in industry production materials, intermediate product and product and production process.With developing rapidly for industry, waste water
Type and quantity rapidly increase, and the pollution to water body is also increasingly extensively and serious, threatens the health and safety of the mankind.Therefore, it is right
For environmental protection, the treatment of industrial wastewater is more even more important than the treatment of municipal sewage.And in chemical materials such as coating, ink
Production process in, the usage amount to organic solvent is increasing, and this also just causes to contain organic solvent in this kind of industrial wastewater.
Organic solvent is a major class wide variety of organic compound in life and production, and molecular weight less, is in a liquid state under normal temperature.Have
Machine solvent includes multiclass material, such as alkane, alkene, alcohol, aldehyde, amine, ester, ether, ketone, aromatic hydrocarbon, hydrogenate hydrocarbon, terpene hydrocarbon, halo
Hydrocarbon, heterocycle compound, nitrogen-containing compound and sulfur-containing compound etc., majority have certain toxicity to human body.In the industrial production, it is organic
Solvent is wide variety of organic compound, and less, it is present in coating, adhesive, paint and cleaning agent molecular weight.Often make
With organic solvent such as, styrene, perchloroethylene, trichloro ethylene, ethylene glycol ether and triethanolamine.If however, this kind of
Ignore the presence of organic solvent in the treatment of industrial wastewater, then these organic solvents often rise to a certain extent in temperature
When, it evaporate into air, pollute.Therefore, it is necessary to the handling process for being directed to the industrial wastewater containing organic solvent is carried out specially
The improvement of door, recycles with to the organic solvent in industrial wastewater.And in the development of technique, can run into many
Problem needs to solve, such as filtering of impurity, the treatment of deposit during sedimentation（Prevent current from rolling for the moment, two is to sink to run up to one
Determine after degree, it is necessary to discharge）, the separation and Extraction of organic solvent, and treatment of waste gas of generation, etc. problem during this.
The content of the invention
For above-mentioned deficiency, it is an object of the present invention to provide a kind of process for treating industrial waste water containing organic solvent and
System, is processed the industrial wastewater containing organic solvent, recycles organic solvent therein, and solve to be met during this
The a series of problems for arriving is such as：The filtering of impurity, the treatment of deposit, the separation and Extraction of organic solvent produces treatment of waste gas etc.
Deng.
The technical solution adopted by the present invention is：A kind of process for treating industrial waste water containing organic solvent, it is characterised in that bag
Include following steps：
1）Grid filtration pond and the first settling tank are set, wherein, the grid filtration pond is placed in a high position, and first settling tank is put
In low level；The grid filtration pond includes grid filtration pond pond body and the mesh grille in the middle part of the pond body of grid filtration pond, institute
The bottom side for stating grid filtration pond pond body is provided with grid filtration pond delivery port；First settling tank includes the first settling tank pond
Body and the first block body, second block body of the first settling tank pond body middle and lower part, the first settling tank pond body is near grid filtration
The top side of pond delivery port is provided with the first settling tank water inlet, and the first settling tank pond body is near the water outlet of grid filtration pond
The bottom side of mouth is provided with the first settling tank delivery port, and the first settling tank water inlet is connected with grid filtering ponds delivery port
Connect, and be provided with lifting gate, the first settling tank delivery port is provided with lets out slurry valve, first block body is in the second block body
The dislocation inclination of " ╱ ", " ╲ " shape is stacked, and the first gear body is located remotely from the side of the first settling tank water inlet, and is located at
The top of the second block body, the second gear body is located near the side of the first settling tank water inlet, and under the first block body
Side, wherein, the upper side of first block body to the first settling tank water inlet, the upper side middle part of second block body to
The end of the first block body, is formed with water flow space between first block body and the second block body, second block body and first are sunk
Drop is formed with water flow space between the pond body bottom of pond；Recovery system for organic solvent is set, and the recovery system for organic solvent includes steaming
Hair tower, preliminary wastewater disposal basin, condensing unit, organic solvent fluid reservoir, vavuum pump and adsorption tower, the evaporating column pass through pumping conduit
It is connected with the first settling tank, and the pumping conduit is provided with water pumping valve, floss hole and the preliminary waste water of the evaporating column bottom
Pond is connected, and floss hole is provided with drain valve, and the steam port on the evaporating column top is connected with the air inlet of condensing unit, institute
The liquid outlet for stating condensing unit is connected with the inlet on organic solvent fluid reservoir top, the organic solvent fluid reservoir top
Exhaust outlet is connected with the air inlet of vavuum pump, and the bottom of the organic solvent fluid reservoir is provided with tap hole, and the tap hole is provided with
Bleeder valve, the gas outlet of the vavuum pump is connected with adsorption tower；
2）Industrial wastewater containing organic solvent is entered into grid filtration pond, by the mesh grille in the middle part of the pond body of grid filtration pond
Filtering, removes entity impurity；In this step, remain the temperature of industrial wastewater between 10 ~ 25 DEG C；
3）The lifting gate between grid filtration pond delivery port and the first settling tank water inlet is opened, by the warp in grid filtration pond
The industrial wastewater of filtering enters the first settling tank, and in the process, current first wash away the first block body, will be heavy on the first block body
Drop thing lower band, then washes away the second block body, by the precipitum lower band on the second block body, finally enters the first settling tank pond body bottom
Portion, because the first block body is stacked with the second block body in " ╱ ", the dislocation inclination of " ╲ " shape, therefore can stop and avoid first from sinking
The deposit for dropping pond pond body bottom rolls rising by current；In this step, remain the temperature of industrial wastewater 10 ~ 25 DEG C it
Between；
4）After first settles water completely, the lifting lock closed between grid filtering ponds delivery port and the first settling tank water inlet
Door, the industrial wastewater allowed in the first settling tank stands, sedimentation more than 12 hours；In this step, the temperature of industrial wastewater is remained
Degree is between 10 ~ 25 DEG C；
5）Start recovery system for organic solvent, vacuum pump work makes between evaporating column, condensing unit, organic solvent fluid reservoir
Space forms negative pressure, when negative pressure reaches -0.06 below kg/cm2, the water pumping valve on pumping conduit is opened, by the first settling tank
Industrial wastewater after middle standing, sedimentation is pumped into evaporating column, is then shut off the water pumping valve on pumping conduit；Evaporating column works, and protects
Air pressure -0.08 ~ 0.05kg/cm2, the condition of 70 ~ 120 DEG C of temperature is held to be distilled；Vavuum pump forms negative pressure by industrial wastewater
Organic solvent boiling point reduction, after distillation, organic vapor collects laggard organic solvent fluid reservoir by condensing unit,
At the same time, the gas of vacuum pumped enters adsorption tower and carries out adsorption treatment；After the completion of distillation, vavuum pump is closed, and to steaming
Hair tower carries out pressure release；
6）The bleeder valve of organic solvent fluid reservoir bottom tap hole is opened, organic solvent is recycled；Open evaporating column bottom
The industrial wastewater reclaimed after organic solvent is entered preliminary wastewater disposal basin by the drain valve of floss hole.
Further, it also comprises the following steps：
7）Chemicals addition control pond will be entered by the industrial wastewater after preliminary treatment in preliminary wastewater disposal basin, after chemicals addition control, then
The second settling tank is entered, standing sedimentation more than 12 hours is most recovered by filtration utilization through sandstone filtration tank afterwards.Explanation is needed herein
It is, it is follow-up such as chemicals addition control（According to the characteristic of sewage, corresponding medicament is added, contained as adjusted acid-base value, adjusting some components
Amount etc.）, secondary settlement, the operation such as sandstone or activated carbon fine filtering, be all the conventional operation of industrial wastewater, do not do herein superfluous
State.
Further, step 3）In, also comprise the following steps：Arranged by the industrial wastewater by filtering in grid filtration pond
During entering the first settling tank, that opens the first settling tank delivery port lets out slurry valve, by the deposition of the first settling tank pond body bottom
Thing is discharged by letting out slurry valve, and after discharge is clean, slurry valve is let out in closing；In the process, current sequentially pass through first baffle, second gear
Plate, the first settling tank pond body bottom, following current are washed away, by sinking that first baffle, second baffle, the first settling tank pond body bottom settle
Product thing washes away totally, and is discharged by letting out slurry valve.
A kind of industrial wastewater treatment system containing organic solvent for implementing methods described, it is characterised in that including grid mistake
Filter tank, the first settling tank and recovery system for organic solvent, wherein, the grid filtration pond is placed in a high position, first settling tank
Low level is placed in, the recovery system for organic solvent is corresponding with the first settling tank；The grid filtration pond includes grid filtration pond
Pond body and the mesh grille in the middle part of the pond body of grid filtration pond, the bottom side of grid filtration pond pond body are provided with grid mistake
Filter tank delivery port；First block body of first settling tank including the first settling tank pond body and the first settling tank pond body middle and lower part,
Second block body, the first settling tank pond body is being provided with the water inlet of the first settling tank near the top side of grid filtration pond delivery port
Mouthful, the first settling tank pond body is provided with the first settling tank delivery port, institute in the bottom side near grid filtration pond delivery port
State the first settling tank water inlet to be connected with grid filtering ponds delivery port, and be provided with lifting gate, the first settling tank water outlet
Mouth is provided with lets out slurry valve, and first block body is stacked with the second block body in " ╱ ", the dislocation inclination of " ╲ " shape, first block body
The side of the first settling tank water inlet is located remotely from, and positioned at the top of the second block body, the second gear body is located near first
The side of settling tank water inlet, and positioned at the lower section of the first block body, wherein, the upper side of first block body is to the first sedimentation
Pond water inlet, the upper side middle part of second block body to the end to the first block body, first block body and the second block body it
Between be formed with water flow space, be formed with water flow space between second block body and the first settling tank pond body bottom；It is described organic
Solvent recovering system includes evaporating column, preliminary wastewater disposal basin, condensing unit, organic solvent fluid reservoir, vavuum pump and adsorption tower, described
Evaporating column is connected by pumping conduit with the first settling tank, and the pumping conduit is provided with water pumping valve, the evaporating column bottom
Floss hole be connected with preliminary wastewater disposal basin, and floss hole is provided with drain valve, and steam port and the condensation on the evaporating column top are filled
The air inlet put is connected, and the liquid outlet of the condensing unit is connected with the inlet on organic solvent fluid reservoir top, described
The exhaust outlet on organic solvent fluid reservoir top is connected with the air inlet of vavuum pump, and the bottom of the organic solvent fluid reservoir is provided with
Tap hole, the tap hole is provided with bleeder valve, and the gas outlet of the vavuum pump is connected with adsorption tower.
Further, the mesh grille is middle recessed funnel-shaped structure, and, it passes through track lifting and is arranged on lattice
Grid filtering ponds pond body.
Further, grid filtration pond pond body, the first settling tank pond body are wide square pond body, the grid filtration pond
Delivery port and the first settling tank water inlet are all strip square gate, grid filtration pond delivery port, the water inlet of the first settling tank
Mouth, grid filtration pond pond body, the first settling tank pond body, the first block body, the second block body width it is consistent.This design has one
Fixed necessity, because want to wash away totally the deposit on block body as far as possible, it is effect that mouth of a river width is consistent with block body width
Best.And, also it is described again, the first block body must be stacked with the second block body in " ╱ ", the dislocation inclination of " ╲ " shape,
Structure without that should be what downward spiral etc, because although block body downward spiral is conducive to washing away for deposit, but
But easily make the sludge of its bottom of current winding, influence the effect of settling of trade effluent.
Further, first block body, the second block body are metal block body, and are connected with vibration generating arrangement.Described
The bottom of one settling tank pond body is provided with metal base plate, and the metal base plate is connected with vibration generating arrangement.
Further, the condensing unit is obliquely installed from air inlet to liquid outlet；The condensing unit includes condensation inner chamber
The chamber between condensation, chamber is provided with frozen water import near one end downside of liquid outlet between the condensation, near one end upside of air inlet
It is provided with frozen water outlet.
The present invention has advantages below：
The first, special grid filtration pond, process contaminant filter, and mesh grille are set（That is grating filter screen）It is funnel-form knot
Structure, and lifting setting, can conveniently and efficiently clean out the impurity for filtering out, and can effectively prevent from blocking.
The 2nd, the first special settling tank is set, because trade effluent is settle when first time, containing substantial amounts of in water
Small material（Such as sludge）, can be deposited in the pond body of the first settling tank, it is to expire if simply using traditional settling tank
What foot was required, it is therefore desirable to which special design inclines the first block body and the second block body being stacked in " ╱ ", the dislocation of " ╲ " shape, and
And also have required to water inlet, mud mouth, can just effectively achieve sediment cleaning and prevent current from rolling basic sediment
Effect.
The 3rd, special recovery system for organic solvent is set, recovery is evaporated to the organic solvent in industrial wastewater.Vacuum
Pump forms negative pressure, and one is that can extract industrial wastewater, and two is the boiling point that can reduce the organic solvent in industrial wastewater, is easy to steam
Evaporate, organic solvent is recycled, three is that a small amount of toxic gas that will can be produced in still-process is extracted and drains into suction
Attached tower carries out adsorption treatment.
4th, the rational organic solvent Distillation recovery parameter of design science, it is ensured that in the organic solvent being recovered to, do not contain it
His such as water component.
Illustrate below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is evaporating column, condensing unit, the structural representation of organic solvent fluid reservoir；
Fig. 3 is process flow diagram；
In figure：Grid filtering ponds pond body 1；Mesh grille 2；First settling tank pond body 3；First block body 4；Second block body 5；Lifting gate
6；Let out slurry valve 7；Evaporating column 8；Preliminary wastewater disposal basin 9；Condensing unit 10；Organic solvent fluid reservoir 11；Vavuum pump 12；Adsorption tower 13；
Water pumping valve 14；Drain valve 15；Bleeder valve 16；Metal base plate 17；Condensation inner chamber 18；Chamber 19 between condensation；Frozen water import 20；Frozen water goes out
Mouth 21.
Specific embodiment
Referring to Fig. 1-3, the process for treating industrial waste water containing organic solvent that the present embodiment is provided comprises the following steps：
1）Grid filtration pond and the first settling tank are set, wherein, the grid filtration pond is placed in a high position, and first settling tank is put
In low level；The grid filtration pond includes grid filtration pond pond body 1 and the mesh grille 2 located at the middle part of grid filtration pond pond body 1,
The bottom side of grid filtration pond pond body 1 is provided with grid filtration pond delivery port；First settling tank includes the first sedimentation
First block body 4, second block body 5 of the settling tank pond body middle and lower part of pond pond body 3 and first, the first settling tank pond body 3 are being close to
The top side of grid filtration pond delivery port is provided with the first settling tank water inlet, and the first settling tank pond body 3 is near grid
The bottom side of filtering ponds delivery port is provided with the first settling tank delivery port, and the first settling tank water inlet goes out with grid filtering ponds
The mouth of a river is connected, and is provided with lifting gate 6, and the first settling tank delivery port is provided with lets out slurry valve 7, first block body 4 and
Two block bodies 5 are stacked in " ╱ ", the dislocation inclination of " ╲ " shape, and first block body 4 is located remotely from the first settling tank water inlet
Side, and positioned at the top of the second block body 5, second block body 5 is located near the side of the first settling tank water inlet, and is located at
The lower section of the first block body 4, wherein, the upper side of first block body 4 is to the first settling tank water inlet, second block body 5
Upper side middle part to the end to the first block body 4, be formed with water flow space between the block body 5 of first block body 4 and second, institute
State and be formed with water flow space between the second block body 5 and the first settling tank pond body bottom；Recovery system for organic solvent is set, and this is organic
Solvent recovering system includes evaporating column 8, preliminary wastewater disposal basin 9, condensing unit 10, organic solvent fluid reservoir 11, vavuum pump 12 and inhales
Attached tower 13, the evaporating column 8 is connected by pumping conduit with the first settling tank, and the pumping conduit is provided with water pumping valve 14,
The floss hole of the bottom of the evaporating column 8 is connected with preliminary wastewater disposal basin 9, and floss hole is provided with drain valve 15, on the evaporating column 8
The steam port in portion is connected with the air inlet of condensing unit 10, liquid outlet and the organic solvent fluid reservoir 11 of the condensing unit 10
The inlet on top is connected, and the exhaust outlet on the top of organic solvent fluid reservoir 11 is connected with the air inlet of vavuum pump 12,
The bottom of the organic solvent fluid reservoir 11 is provided with tap hole, and the tap hole is provided with bleeder valve 16, the outlet of the vavuum pump 12
Mouth is connected with adsorption tower 13；
2）Industrial wastewater containing organic solvent is entered into grid filtration pond, by the netted lattice at the middle part of grid filtration pond pond body 1
Grid 2 are filtered, and remove entity impurity；In this step, remain the temperature of industrial wastewater between 10 ~ 25 DEG C；
3）The lifting gate 6 between grid filtration pond delivery port and the first settling tank water inlet is opened, by grid filtration pond
The first settling tank is entered by the industrial wastewater for filtering, in the process, current first wash away the first block body 4, by the first block body 4
Precipitum lower band, then wash away the second block body 5, by the precipitum lower band on the second block body 5, finally enter the first settling tank pond
The bottom of body 3, because the first block body 4 is stacked, therefore can stop and keep away with the second block body 5 in " ╱ ", the dislocation inclination of " ╲ " shape
The deposit for exempting from the bottom of the first settling tank pond body 3 rolls rising by current；In this step, remain that the temperature of industrial wastewater exists
Between 10 ~ 25 DEG C；During it will enter the first settling tank by the industrial wastewater of filtering in grid filtration pond, the is opened
One settling tank delivery port lets out slurry valve 7, and the deposit of the bottom of the first settling tank pond body 3 is discharged by letting out slurry valve, and discharge is clean
Afterwards, close and let out slurry valve；In the process, current sequentially pass through first baffle, second baffle, the first settling tank pond body bottom, suitable
Stream is washed away, and the deposit of first baffle, second baffle, the sedimentation of the first settling tank pond body bottom is washed away totally, and by letting out slurry valve
Discharge；For the cleaning of deposit, can periodically carry out as the case may be, without frequent.
4）After first settles water completely, the lifting closed between grid filtering ponds delivery port and the first settling tank water inlet
Gate 6, the industrial wastewater allowed in the first settling tank stands, sedimentation more than 12 hours；In this step, industrial wastewater is remained
Temperature is between 10 ~ 25 DEG C；
5）Start recovery system for organic solvent, vavuum pump 12 works, and makes evaporating column 8, condensing unit 10, organic solvent fluid reservoir 11
Between space form negative pressure, when negative pressure reaches -0.06 below kg/cm2, the water pumping valve 14 on pumping conduit is opened, by the
Industrial wastewater in one settling tank after standing, sedimentation is pumped into evaporating column 8, is then shut off the water pumping valve 14 on pumping conduit；Steam
Hair tower 8 works, and keeps air pressure -0.08 ~ 0.05kg/cm2, the condition of 70 ~ 120 DEG C of temperature to be distilled；Vavuum pump 12 forms negative
Press the boiling point reduction of the organic solvent in industrial wastewater, after distillation, organic vapor is by after the collection of condensing unit 10
Enter organic solvent fluid reservoir 11, at the same time, the gas that vavuum pump 12 is extracted out（Contain a small amount of toxic gas）Adsorption tower is entered to enter
Row adsorption treatment；After the completion of distillation, vavuum pump 12 is closed, and pressure release is carried out to evaporating column 8；
6）The bleeder valve 16 of the bottom tap hole of organic solvent fluid reservoir 11 is opened, organic solvent is recycled；Open evaporating column 8
The industrial wastewater reclaimed after organic solvent is entered preliminary wastewater disposal basin 9 by the drain valve 15 of lower drain.
7）Chemicals addition control pond will be entered by the industrial wastewater after preliminary treatment in preliminary wastewater disposal basin 9, chemicals addition control it
Afterwards, then the second settling tank is entered, standing sedimentation more than 12 hours is most recovered by filtration utilization through sandstone filtration tank afterwards.Need herein
Illustrate, it is follow-up such as chemicals addition control（According to the characteristic of sewage, corresponding medicament is added, such as adjust acid-base value, adjust some
Constituent content etc.）, secondary settlement, the operation such as sandstone or activated carbon fine filtering, be all the conventional operation of industrial wastewater, herein not
Repeat.And, it is first that the improvement of the application essentially consists in contaminant filter in the Industrial Wastewater Treatment containing organic solvent, speck
Sedimentation and organic solvent are reclaimed, so that obtain that follow-up processed conventionally industrial wastewater can be carried out（Passed through in i.e. preliminary wastewater disposal basin
The industrial wastewater crossed after preliminary treatment）.
Implement the industrial wastewater treatment system containing organic solvent of methods described, including grid filtration pond, the first settling tank
And recovery system for organic solvent, wherein, the grid filtration pond is placed in a high position, and first settling tank is placed in low level, described to have
Machine solvent recovering system is corresponding with the first settling tank（That is, the industry that extracted from the first settling tank after standing sedimentation is dirty
Water）；The grid filtration pond includes grid filtration pond pond body 1 and the mesh grille 2 in the middle part of the pond body of grid filtration pond, described
The bottom side of grid filtration pond pond body 1 is provided with grid filtration pond delivery port；First settling tank includes the first settling tank pond
First block body 4 of the middle and lower part of 3 and first settling tank pond body of body 3, the second block body 5, the first settling tank pond body 3 is near grid
The top side of filtering ponds delivery port is provided with the first settling tank water inlet, and the first settling tank pond body 3 is near grid filtration
The bottom side of pond delivery port is provided with the first settling tank delivery port, the first settling tank water inlet and grid filtering ponds delivery port
It is connected, and is provided with lifting gate 6, the first settling tank delivery port is provided with lets out slurry valve 7, first block body 4 and second gear
Body 5 is stacked in " ╱ ", the dislocation inclination of " ╲ " shape, and first block body 4 is located remotely from the side of the first settling tank water inlet,
And positioned at the top of the second block body 5, second block body 5 is located near the side of the first settling tank water inlet, and positioned at first
The lower section of block body 4, wherein, the upper side of first block body 4 to the first settling tank water inlet, second block body 5 it is upper
Side middle part is formed with water flow space to the end to the first block body 4 between the block body 5 of first block body 4 and second, and described the
Water flow space is formed between two block bodies 5 and the first settling tank pond body bottom；The recovery system for organic solvent includes evaporating column
8th, preliminary wastewater disposal basin 9, condensing unit 10, organic solvent fluid reservoir 11, vavuum pump 12 and adsorption tower 13, the evaporating column 8 pass through
Pumping conduit is connected with the first settling tank, and the pumping conduit is provided with water pumping valve 14, the floss hole of the bottom of the evaporating column 8
It is connected with preliminary wastewater disposal basin 9, and floss hole is provided with drain valve 15, steam port and the condensing unit 10 on the top of the evaporating column 8
Air inlet be connected, the liquid outlet of the condensing unit 10 is connected with the inlet on the top of organic solvent fluid reservoir 11, institute
The exhaust outlet for stating the top of organic solvent fluid reservoir 11 is connected with the air inlet of vavuum pump 12, the organic solvent fluid reservoir 11
Bottom is provided with tap hole, and the tap hole is provided with bleeder valve 16, and the gas outlet of the vavuum pump 12 is connected with adsorption tower 13.
Specifically, the mesh grille 2 is middle recessed funnel-shaped structure, and, it passes through track lifting and is arranged on
Grid filtration pond pond body 1.
Specifically, grid filtration pond pond body 1, the first settling tank pond body 3 are wide square pond body, the grid filtration
Pond delivery port and the first settling tank water inlet are all strip square gate, and grid filtration pond delivery port, the first settling tank enter
The mouth of a river, grid filtration pond pond body, the first settling tank pond body, the first block body, the second block body width it is consistent.This design has
Certain necessity, because want to wash away totally the deposit on block body as far as possible, it is effect that mouth of a river width is consistent with block body width
It is really best.And, also it is described again, the first block body must incline stacking and set with the second block body in " ╱ ", the dislocation of " ╲ " shape
Put, the structure without that should be what downward spiral etc, because although block body downward spiral is conducive to washing away for deposit,
But easily make the sludge of its bottom of current winding, influence the effect of settling of trade effluent.
Specifically, first block body 4, the second block body 5 are metal block body, and are connected with vibration generating arrangement.It is described
The bottom of the first settling tank pond body 3 is provided with metal base plate 17, and the metal base plate 17 is connected with vibration generating arrangement.
Specifically, the condensing unit 10 is obliquely installed from air inlet to liquid outlet；The condensing unit is included in condensation
Chamber 19 between chamber 18 and condensation, chamber 19 is provided with frozen water import 20 near one end downside of liquid outlet between the condensation, near air inlet
One end upside be provided with frozen water outlet 21.From low to high, by liquid outlet to air inlet, temperature can rise frozen water, and such one
Come, during vapor is condensed into condensing unit, condensation temperature is more and more lower, therefore more science is closed
Reason.
The present invention is not limited to above-mentioned implementation method, special using technology identical with the above embodiment of the present invention or approximate
Levy, and process for treating industrial waste water and system of other for obtaining containing organic solvent, within protection scope of the present invention.
Claims (9)
1. a kind of process for treating industrial waste water containing organic solvent, it is characterised in that comprise the following steps：
Grid filtration pond and the first settling tank are set, wherein, the grid filtration pond is placed in a high position, and first settling tank is placed in
Low level；The grid filtration pond includes grid filtration pond pond body and the mesh grille in the middle part of the pond body of grid filtration pond, described
The bottom side of grid filtration pond pond body is provided with grid filtration pond delivery port；First settling tank includes the first settling tank pond body
And first settling tank pond body middle and lower part the first block body, the second block body, the first settling tank pond body is near grid filtration pond
The top side of delivery port is provided with the first settling tank water inlet, and the first settling tank pond body is near grid filtration pond delivery port
Bottom side be provided with the first settling tank delivery port, the first settling tank water inlet is connected with grid filtering ponds delivery port,
And be provided with lifting gate, the first settling tank delivery port is provided with lets out slurry valve, first block body and the second block body in " ╱ ",
The dislocation inclination of " ╲ " shape is stacked, and the first gear body is located remotely from the side of the first settling tank water inlet, and positioned at second
The top of block body, the second gear body is located near the side of the first settling tank water inlet, and positioned at the lower section of the first block body, its
In, the upper side of first block body is to the first settling tank water inlet, the upper side middle part of second block body is to first
The end of block body, is formed with water flow space, second block body and the first settling tank between first block body and the second block body
Pond body is formed with water flow space between bottom；Set recovery system for organic solvent, the recovery system for organic solvent include evaporating column,
Preliminary wastewater disposal basin, condensing unit, organic solvent fluid reservoir, vavuum pump and adsorption tower, the evaporating column is by pumping conduit and the
One settling tank is connected, and the pumping conduit is provided with water pumping valve, the floss hole of the evaporating column bottom and preliminary wastewater disposal basin phase
Connection, and floss hole is provided with drain valve, the steam port on the evaporating column top is connected with the air inlet of condensing unit, described cold
The liquid outlet of solidifying device is connected with the inlet on organic solvent fluid reservoir top, the exhaust on the organic solvent fluid reservoir top
Mouth is connected with the air inlet of vavuum pump, and the bottom of the organic solvent fluid reservoir is provided with tap hole, and the tap hole is provided with tapping
Valve, the gas outlet of the vavuum pump is connected with adsorption tower；
2）Industrial wastewater containing organic solvent is entered into grid filtration pond, by the mesh grille in the middle part of the pond body of grid filtration pond
Filtering, removes entity impurity；In this step, remain the temperature of industrial wastewater between 10 ~ 25 DEG C；
3）The lifting gate between grid filtration pond delivery port and the first settling tank water inlet is opened, by the warp in grid filtration pond
The industrial wastewater of filtering enters the first settling tank, and in the process, current first wash away the first block body, will be heavy on the first block body
Drop thing lower band, then washes away the second block body, by the precipitum lower band on the second block body, finally enters the first settling tank pond body bottom
Portion, because the first block body is stacked with the second block body in " ╱ ", the dislocation inclination of " ╲ " shape, therefore can stop and avoid first from sinking
The deposit for dropping pond pond body bottom rolls rising by current；In this step, remain the temperature of industrial wastewater 10 ~ 25 DEG C it
Between；
4）After first settles water completely, the lifting lock closed between grid filtering ponds delivery port and the first settling tank water inlet
Door, the industrial wastewater allowed in the first settling tank stands, sedimentation more than 12 hours；In this step, the temperature of industrial wastewater is remained
Degree is between 10 ~ 25 DEG C；
5）Start recovery system for organic solvent, vacuum pump work makes between evaporating column, condensing unit, organic solvent fluid reservoir
Space forms negative pressure, when negative pressure reaches -0.06 kg/cm2When following, the water pumping valve on pumping conduit is opened, by the first settling tank
Industrial wastewater after middle standing, sedimentation is pumped into evaporating column, is then shut off the water pumping valve on pumping conduit；Evaporating column works, and protects
Hold air pressure -0.08 ~ 0.05kg/cm2, 70 ~ 120 DEG C of temperature condition distilled；Vavuum pump forms negative pressure by industrial wastewater
Organic solvent boiling point reduction, after distillation, organic vapor collects laggard organic solvent fluid reservoir by condensing unit,
At the same time, the gas of vacuum pumped enters adsorption tower and carries out adsorption treatment；After the completion of distillation, vavuum pump is closed, and to steaming
Hair tower carries out pressure release；
6）The bleeder valve of organic solvent fluid reservoir bottom tap hole is opened, organic solvent is recycled；Open evaporating column bottom
The industrial wastewater reclaimed after organic solvent is entered preliminary wastewater disposal basin by the drain valve of floss hole.
2. the process for treating industrial waste water containing organic solvent according to claim 1, it is characterised in that it also includes as follows
Step：
7）Chemicals addition control pond will be entered by the industrial wastewater after preliminary treatment in preliminary wastewater disposal basin, after chemicals addition control, then
The second settling tank is entered, standing sedimentation more than 12 hours is most recovered by filtration utilization through sandstone filtration tank afterwards.
3. the process for treating industrial waste water containing organic solvent according to claim 1, it is characterised in that step 3）In, also
Comprise the following steps：During the industrial wastewater by filtering in grid filtration pond is entered into the first settling tank, open
First settling tank delivery port lets out slurry valve, and the deposit of the first settling tank pond body bottom is discharged by letting out slurry valve, and discharge is clean
Afterwards, close and let out slurry valve；In the process, current sequentially pass through first baffle, second baffle, the first settling tank pond body bottom, suitable
Stream is washed away, and the deposit of first baffle, second baffle, the sedimentation of the first settling tank pond body bottom is washed away totally, and by letting out slurry valve
Discharge.
4. a kind of industrial wastewater treatment system containing organic solvent for implementing one of claim 1 to 3 methods described, its feature exists
In, including grid filtration pond, the first settling tank and recovery system for organic solvent, wherein, the grid filtration pond is placed in a high position, institute
State the first settling tank and be placed in low level, the recovery system for organic solvent is corresponding with the first settling tank；The grid filtration Chi Bao
Include grid filtration pond pond body and the mesh grille in the middle part of the pond body of grid filtration pond, the bottom one of grid filtration pond pond body
Side is provided with grid filtration pond delivery port；First settling tank includes the first settling tank pond body and the first settling tank pond body middle and lower part
The first block body, the second block body, the first settling tank pond body is being provided with the near the top side of grid filtration pond delivery port
One settling tank water inlet, the first settling tank pond body is provided with the first sedimentation in the bottom side near grid filtration pond delivery port
Pond delivery port, the first settling tank water inlet is connected with grid filtering ponds delivery port, and is provided with lifting gate, and described first
Settling tank delivery port is provided with lets out slurry valve, and first block body is stacked with the second block body in " ╱ ", the dislocation inclination of " ╲ " shape, institute
The side that first gear body is located remotely from the first settling tank water inlet is stated, and positioned at the top of the second block body, the second gear position
In the side for being close to the first settling tank water inlet, and positioned at the lower section of the first block body, wherein, the upper side pair of first block body
To the first settling tank water inlet, the upper side middle part of second block body to the end to the first block body, first block body with
Water flow space is formed between second block body, current is formed between second block body and the first settling tank pond body bottom empty
Between；The recovery system for organic solvent include evaporating column, preliminary wastewater disposal basin, condensing unit, organic solvent fluid reservoir, vavuum pump and
Adsorption tower, the evaporating column is connected by pumping conduit with the first settling tank, and the pumping conduit is provided with water pumping valve, described
The floss hole of evaporating column bottom is connected with preliminary wastewater disposal basin, and floss hole is provided with drain valve, the steam on the evaporating column top
Mouthful it is connected with the air inlet of condensing unit, the liquid outlet of the condensing unit and the inlet phase on organic solvent fluid reservoir top
Connection, the exhaust outlet on the organic solvent fluid reservoir top is connected with the air inlet of vavuum pump, the organic solvent fluid reservoir
Bottom be provided with tap hole, the tap hole is provided with bleeder valve, and the gas outlet of the vavuum pump is connected with adsorption tower.
5. the industrial wastewater treatment system containing organic solvent according to claim 4, it is characterised in that the mesh grille
It is middle recessed funnel-shaped structure, and, it passes through track lifting and is arranged on grid filtration pond pond body.
6. the industrial wastewater treatment system containing organic solvent according to claim 4, it is characterised in that the grid filtration
Pond pond body, the first settling tank pond body are wide square pond body, and grid filtration pond delivery port and the first settling tank water inlet are all
It is strip square gate, grid filtration pond delivery port, the first settling tank water inlet, grid filtration pond pond body, the first sedimentation
Pond pond body, the first block body, the second block body width it is consistent.
7. the industrial wastewater treatment system containing organic solvent according to claim 4, it is characterised in that the first gear
Body, the second block body are metal block body, and are connected with vibration generating arrangement.
8. the industrial wastewater treatment system containing organic solvent according to claim 1 or 7, it is characterised in that described first
The bottom of settling tank pond body is provided with metal base plate, and the metal base plate is connected with vibration generating arrangement.
9. the industrial wastewater treatment system containing organic solvent according to claim 4, it is characterised in that the condensing unit
It is obliquely installed from air inlet to liquid outlet；The condensing unit includes chamber between condensation inner chamber and condensation, and chamber is close between the condensation
One end downside of liquid outlet is provided with frozen water import, and one end upside near air inlet is provided with frozen water outlet.
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| CN107175229A (en) * | 2017-06-01 | 2017-09-19 | 江苏凡润电子有限公司 | Stamping forming television backboard flush cycle system |
| CN107376500A (en) * | 2017-08-15 | 2017-11-24 | 四川奥恒环保科技有限公司 | A kind of sewage water filtration sedimenting system |
| CN107541338A (en) * | 2017-10-13 | 2018-01-05 | 袁兴芳 | A kind of dregs of fat wash-up tray |
| CN107694158A (en) * | 2017-10-13 | 2018-02-16 | 义乌市绿美生物科技有限公司 | A kind of pulverized limestone filter |
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| CN108178412A (en) * | 2018-01-16 | 2018-06-19 | 刘隐秀 | A kind of processing system for wastewater from chemical industry |
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| CN110577293A (en) * | 2018-06-11 | 2019-12-17 | 苏州西姆提纳米科技有限公司 | Secondary sedimentation wastewater treatment device |
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| CN107175229A (en) * | 2017-06-01 | 2017-09-19 | 江苏凡润电子有限公司 | Stamping forming television backboard flush cycle system |
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| CN110422960A (en) * | 2019-05-31 | 2019-11-08 | 浙江海轩科技有限公司 | A kind of producing wastewater treatment of high definition transparent protective film |
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| CN106746123B (en) | 2019-06-04 |
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